initializing N_TA_offset for TDD eNB. Fixes issue 184.

29484a89 · Florian Kaltenberger · Xiwen JIANG · 3021e873 · 29484a89
Commit 29484a89 authored Jan 12, 2017 by Florian Kaltenberger Committed by Xiwen JIANG Jan 12, 2017
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targets/RT/USER/lte-softmodem.c targets/RT/USER/lte-softmodem.c +11 -1

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--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -1660,7 +1660,17 @@ int main( int argc, char **argv )
      PHY_vars_eNB_g[0][CC_id]->rx_total_gain_dB = (int)rx_gain[CC_id][0];
-      PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
+      if (frame_parms[CC_id]->frame_type==FDD) {
+       PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
+      }
+      else {
+       if (frame_parms[CC_id]->N_RB_DL == 100)
+         PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624;
+       else if (frame_parms[CC_id]->N_RB_DL == 50)
+         PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624/2;
+       else if (frame_parms[CC_id]->N_RB_DL == 25)
+         PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624/4;
+      }
    }